Concurrent Evaluation of Composite Internal Adaptation and Bond Strength in a Class-I Cavity
Objectives This study investigated class-I cavity floor adaptation by swept-source optical coherence tomography (OCT) in combination with microtensile bond strength (MTBS) using different filling methods. Methods Two adhesive systems; Tokuyama Bond Force and Tri-S Bond Plus were used in conjunction with a universal composite (Estelite Sigma Quick) placed either incrementally (oblique) or in bulk with or without a flowable composite lining (Palfique Estelite LV). Ten serial B-scan images were obtained throughout each cavity by OCT (center wavelength: 1319 nm). In order to evaluate adaptation defined as the cavity floor percentage showing no gap, a significant increase in the signal intensity ...
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